Marching band teaching-sound system case



FIG. 1 is a front perspective view of a marching band teaching-sound system case showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a rear perspective view of the case with the rear cover open;

FIG. 8 is a rear elevational view thereof; and

FIG. 9 is a left side elevational view thereof. 

The ornamental design for a marching band teaching-sound system case, as shown and described. 